Home / 3,188.30-4,785.58-2,093.45

Finding the Fourth Proportional to 3,188.30, 4,785.58 and 2,093.45

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Solution

The fourth proportional to 3,188.30, 4,785.58 and 2,093.45 is: 3,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.30 : 4,785.58 = 2,093.45 : x
  2. Step 2: Convert to fraction form
    3,188.30/4,785.58 = 2,093.45/x
  3. Step 3: Cross multiply
    3,188.30x = 4,785.58 × 2,093.45
  4. Step 4: Simplify right side
    3,188.30x = 10,018,351.14
  5. Step 5: Solve for x
    x = 10,018,351.14/3,188.30
  6. Step 6: Final answer
    x = 3,142.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.